Forum Post: bq34z110EVM Design Steps procedure. Optimization Cycle procedure.
Hello,I'm using the bq34z110.The battery is 12V, 12Ah SLA (6 cells).The chip is correctly calibrated to read the voltage and current of the pack. The number of series cells is programmed to be 6.Step...
View ArticleForum Post: RE: Why Capfree ? / TLV713xx , TPS736xx
Hello David san,Thank you.I understood that TLV713 is capfree LDO by PMOS and TPS736xx is capfree LDO by NMOS to maintain system stability. Best Regards,Ryuji Asaka
View ArticleForum Post: RE: TPS7A8001 / resonant point
Ryuji-san:I will need some more time to look into this. ThanksRegards,Kartik
View ArticleForum Post: RE: LM317 VOUT pin
Yes, the same.It is a disconnect in terminology, and these descriptors are used interchangeably in seeming random patterns within documents.Technically, the pin name should be "OUT", the voltage that...
View ArticleForum Post: RE: BQ24103A chip failures
there are no know problems with this IC and millions have been sold...probably means your field devices are good.The charger is sensitive to reverse connections and negative connections....anything...
View ArticleForum Post: RE: TPS5410: Oscillaton on the ph pin
Hi sorry left out an s. Its gnorris@scorpionnetworks.com
View ArticleForum Post: RE: LMR62421 Isense blanking during switch transitions
Hi Jeff, THe LMR62421 has either a blanking time, or a filter on the current sense I can't remember which right now. The important thing to remember if using it with a transformer is that the...
View ArticleForum Post: LT1004CLP-1-2
Hi,I could not find the correct section to post this in. Please move to the correct forum.I am looking for a drop in replacement for this voltage reference part.LT1004CLP-1-2Also, I am looking for a...
View ArticleForum Post: LM117KG bare die
I cannot find the nomenclature to confirm if the G in this part # LM117KG bare die is Gold back. I am pretty sure it is, but wanted to confirm.
View ArticleForum Post: RE: BQ34Z110 and charge mode?
Ok, sounds like we really need to do our own tests, in our specific applications.We're flexible on voltages, especially evaluation kit - our applications of immediate concern are for forklifts, 36V,...
View ArticleForum Post: RE: PTH12040WAD - steady state auto tracking
Tylere:When tracking control is used to control the output voltage will negate the internal feedback phase and gain circuit. The module can be overstressed and is likely to be very unstability and...
View ArticleForum Post: RE: TPS40192： Undershooting generating to Vo.
Hi Masami,I think our FAE will contact you offline. If you have further question, please let me know.Regards,Na
View ArticleForum Post: RE: BQ77PL900 Shutdown
Thank you. I think the main problem we're confused about is the drive circuit inside of the BQx. We don't understand the equivalent circuit inside. With our drive completely disconnected and...
View ArticleForum Post: RE: EV2300 USB Driver for Windows 7 64 bit
Hi Viktoriya,I don't know if you are still supporting the EV2300-002 to bq34z110EVM link, but I am having the same problem as the person (Herman) above.I am using a 64-bit version of Windows7...
View ArticleForum Post: Increasing PG trip threshold on TPS7A16
I was considering this chip due to its low drop out a PG pin features.I would like to regulate to 15V but for my application the PG pin would activate at ~13.5V, which is just to far from my intended...
View ArticleForum Post: RE: BQ24292i: BATFET behavior in low battery
The BATFET is in linear mode when battery voltage falls below the minimum system voltage. The minimum system voltage is maintained by the buck regulator (Q2, Q3, L and C), NOT by the BATFET acting like...
View ArticleForum Post: RE: TPS40210 Current Output Too Low / Early Overcurrent Shutdown
Hi Tom,I got my board running this afternoon with the DPAK package. I did not see any issues with a 4A load so we need to look closer at what the differences are between what we're testing. I also ran...
View ArticleForum Post: RE: bq34z110EVM Design Steps procedure. Optimization Cycle...
Isak,C/10 would be 1.2A, but that is right on the edge. You may want to try C/8 to make sure that the it does not get disqualified.Tom
View ArticleForum Post: RE: LM3488 soft start
Hi Jurjen,I do not have a validated solution immediately available on hand. I'll ask my coleague to see if they have any idea.Regards,Jimmy
View ArticleForum Post: SAFE pin output voltage on BQ20z65
What is the minimum voltage for the safe pin when it goes high?The datasheet shows Voh min = Vreg2.5 - 0.5V = 1.91V, but footnote (1) suggests this spec is only for RC[0:7] bus. Source current Isafe is...
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